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18XL2000 { 18" - 2000 W - 97 dB - 8 Ohm }
Available Impedance: 8 Ohm
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Nominal Specifications
Nominal Diameter 460 mm (18 in)
Overall Diameter 460 mm (18.11 in)
Bolt Circle Diameter 440 mm (17.32 in)
Baffle Cutout Diameter 422 mm (16.61 in)
Depth 227 mm (8.94 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 11.3 kg (24.9 lb)
Shipping Box
(Single Carton Box)		 490 x 485 x 275 mm
(19.3 x 19.1 x 10.8 in)
Shipping Weight 12.8 kg (28.2 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 7 Ohm
AES Power Handling (1) 2000 W
Maximum Power Handling (2) 4000 W
Sensitivity (1W/1m) 97 dB
Frequency Range 30÷1600 Hz
Voice Coil Diameter 118 mm (4.65 in)
Winding Material Cu
Former Material Glass Fiber
Winding Depth 37.3 mm (1.47 in)
Magnetic Gap Depth 14 mm (0.55 in)
Flux Density 1.2 T
Magnet Neodymium Ring
Basket Material Aluminum
Demodulation Double Al Dem. Ring
Cone Surround (3) Triple Roll
NET Air Volume filled by Loudspeaker 7.3 dm^3 (0.258 ft^3)
Spider Profile 2x non-adjacent symmetrical constant height waves
Thiele and small parameters
Fs 28 Hz
Re 5.3 Ohm
Qes 0.28
Qms 10.1
Qts 0.27
Vas 232.1 dm^3 (8.20 ft^3)
Sd 1213 cm^2 (188.02 in^2)
Xmax (4) 16.32 mm
Xdamage (5) 33 mm
Mms 286.0 g
Bl 30.8 N/A
Le 1.45 mH
Mmd 238.3 g
Cms 0.11 mm/N
Rms 5.0 kg/s
Eta Zero 1.8 %
EBP 100 Hz


PART NUMBER (P/N)
Push Terminals - 8 Ohm Version 04604293



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) Treated Polycotton
(4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(5) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 8 Ohm
Minimum Impedance 7 Ohm
AES Power Handling (1) 2000 W
Sensitivity (1W/1m) 97 dB
Frequency Range 30÷1600 Hz
Flux Density 1.2 T
Magnet Neodymium Ring
Demodulation Double Al Dem. Ring
Cone Surround (2) Triple Roll
Fs 28 Hz
Re 5.3 Ohm
Qes 0.28
Qms 10.1
Qts 0.27
Vas 232.1 dm^3 (8.20 ft^3)
Sd 1213 cm^2 (188.02 in^2)
Xmax (3) 16.32 mm
Xdamage (4) 33 mm
Mms 286.0 g
Bl 30.8 N/A
Le 1.45 mH
Mmd 238.3 g
Cms 0.11 mm/N
Rms 5.0 kg/s
Eta Zero 1.8 %
EBP 100 Hz



Note:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Treated Polycotton
(3) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(4) Maximum excursion before permanent damage
Quick mechanical specs
Nominal Diameter 460 mm (18 in)
Overall Diameter 460 mm (18.11 in)
Bolt Circle Diameter 440 mm (17.32 in)
Baffle Cutout Diameter 422 mm (16.61 in)
Depth 227 mm (8.94 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 11.3 kg (24.9 lb)
Shipping Box
(Single Carton Box)		 490 x 485 x 275 mm
(19.3 x 19.1 x 10.8 in)
Shipping Weight 12.8 kg (28.2 lb)